blob: cce6a328a42892d9c0b1f540c2926bcf619bdd40 [file] [log] [blame]
// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
// HASH=1282dc1127ce1b0061544619ae4de0f0
REG_FIDDLE(Color_Type_RGBA_1010102, 256, 96, false, 0) {
void draw(SkCanvas* canvas) {
canvas->scale(16, 16);
SkBitmap bitmap;
SkImageInfo imageInfo = SkImageInfo::Make(2, 2, kRGBA_1010102_SkColorType, kOpaque_SkAlphaType);
bitmap.allocPixels(imageInfo);
SkCanvas offscreen(bitmap);
offscreen.clear(SK_ColorGREEN);
canvas->drawImage(bitmap.asImage(), 0, 0);
auto pack1010102 = [](unsigned r, unsigned g, unsigned b, unsigned a) -> uint32_t {
return (r << 0) | (g << 10) | (b << 20) | (a << 30);
};
uint32_t redBits[] = { pack1010102(0x3FF, 0x000, 0x000, 0x3),
pack1010102(0x2ff, 0x000, 0x000, 0x3),
pack1010102(0x1ff, 0x000, 0x000, 0x3),
pack1010102(0x0ff, 0x000, 0x000, 0x3) };
uint32_t blueBits[] = { pack1010102(0x000, 0x000, 0x3FF, 0x3),
pack1010102(0x000, 0x000, 0x2ff, 0x3),
pack1010102(0x000, 0x000, 0x1ff, 0x3),
pack1010102(0x000, 0x000, 0x0ff, 0x3) };
if (bitmap.installPixels(imageInfo, (void*) redBits, imageInfo.minRowBytes())) {
canvas->drawImage(bitmap.asImage(), 2, 2);
}
SkPixmap bluePixmap(imageInfo, &blueBits, imageInfo.minRowBytes());
if (bitmap.installPixels(imageInfo, (void*) blueBits, imageInfo.minRowBytes())) {
canvas->drawImage(bitmap.asImage(), 4, 4);
}
}
} // END FIDDLE